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LABDOOR SCORE
81.2 of 100
Quality Rank 14 of 19

Value Rank 14 of 19


Ratings and Key Data

One serving of Source Naturals Vitamin D3 measured 2800 IU of vitamin D3, 40% over its label claim. Due to higher than claimed levels of vitamin D, two servings of this product also exceed the 4000 IU daily Upper Limit (UL) by 40%.

Label Accuracy
Product Purity
Nutritional Value
Ingredient Safety
Projected Efficacy
  • Analytical Tests 9
  • Serving Size 2 Tablets
  • Price/Serving $0.10
  • Vitamin D/Serving 2800 IU (as cholecalciferol/D3)
  • Watchlist Ingredients N/A
  • Purity Tests Pass (heavy metal content below 1 PPM)
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.